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Material:
Heat treated steel with surface corrosion protection coating
Application:
Used for fastening timber components, timber materials, and steel parts to timber and plywood substrates.
German approval Z-9.1-564
Advantages of System WFR from SFS intec
- double pitch thread provides 50% faster fastening
- excellent resistance to tear out
- secondary rough thread reduces insertion resistance
- under-head ribs eliminate splitting and breaks
Accessories:
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